Macro Foundations · intro
What moves on the Aggregate Supply – Aggregate Demand diagram
ExpectationsexpectationsBeliefs about the future that shape behavior today, the hinge variable of modern macroeconomics. are a demand shifter: pessimism cuts autonomous consumption and investment, shifting AD left.
Start at equilibriumequilibriumThe point where opposing forces balance, quantity supplied equals quantity demanded, so there's no pressure for price to change..
A shock (pandemic, crisis, mass layoffs news) makes households fearful about the future.
Households cut spending and raise precautionary saving at every price level. AD shifts sharply left.
New equilibriumequilibriumThe point where opposing forces balance, quantity supplied equals quantity demanded, so there's no pressure for price to change.: output falls well below potential, a demand-driven recession.
Examiners ask this as: confidence collapse, consumer sentiment falls, pandemic demand shock, households stop spending, fear of recession.
Other scenarios on Aggregate Supply – Aggregate Demand